The iPhone 5 is 18 percent thinner (down to 7.6 mm) and 20 percent lighter (down to 112 grams) than the iPhone 4S. But it packs the punch of Apple's new A6 processor which offers twice the CPU and GPU power of the A5 processor inside the iPhone 4S.

The new screen isn't just bigger, it's better. It offers 44 percent more color saturation and the touch sensors have been integrated into the display, allowing it to be both thinner, sharper and throw off less glare.

The new iPhone will ship with iOS 6, which brings with it a whole raft of new features, including updated mapping, improved mail app, call handling enhancements, and some 200 more new features compared to iOS 5.